I have come across different numbers. Some argue that only 1% of players are profitable in the long term. Others say that less than 1%. Still others claim that the number of such players is 0.01%.
There are almost no exact figures on this matter although there are some sites that make special clamps for percentages. In the long run people who actively gamble may only be able to balance the amount of wins or losses they get in gambling or they may even lose completely. I do not know if there are any of them who manage to win more bets than they lose because if there is, maybe we need to learn from the way he is involved in gambling, one percent may be more realistic than a larger percentage.